May I know if someone know about this tiny plankton shrimp like creature in spring mountain water? I know ( traditional ) if there is leech in spring water it means it is very good to drink but it is not like leech but it is like shrimp

spring Water creature like tiny shrimp


1 Answer 1


This is most likely Gammarus Pulex or "Freshwater Shrimp"


I don't believe they are anything special in terms of working out whether water is potable or not. They tend to prefer slow-moving, highly oxygenated water, but that's about it.

  • 1
    Commonly called "scud". Jan 5, 2021 at 16:21
  • As kids, we used to call them "sideswimmers". We also use to drink from those streams without really caring about the cows in the fields upstream.
    – user20505
    Jan 5, 2021 at 16:23
  • @Snow Thanks, hope find a way to know if such water is very good true drinkable spring water. I take water from a canal come from mountain in a village in Iran, drink for a week already. nothing bad happened but i could pop very good and lot but some feeling of thirsty. haha
    – davis I
    Jan 6, 2021 at 17:53

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